Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894532000052.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ServersAndClients-PT-200080, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894532000052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 110K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 9.9M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-00
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-01
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-02
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-03
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-04
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-05
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-06
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-07
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-08
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-09
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-10
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-11
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-12
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-13
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-14
FORMULA_NAME ServersAndClients-PT-200080-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748961343802

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ServersAndClients-PT-200080
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 14:35:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 14:35:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 14:35:45] [INFO ] Load time of PNML (sax parser for PT used): 678 ms
[2025-06-03 14:35:45] [INFO ] Transformed 16881 places.
[2025-06-03 14:35:45] [INFO ] Transformed 32400 transitions.
[2025-06-03 14:35:45] [INFO ] Found NUPN structural information;
[2025-06-03 14:35:45] [INFO ] Parsed PT model containing 16881 places and 32400 transitions and 97600 arcs in 889 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ServersAndClients-PT-200080-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-200080-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-200080-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 45 out of 16881 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16881/16881 places, 32400/32400 transitions.
Applied a total of 0 rules in 284 ms. Remains 16881 /16881 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
// Phase 1: matrix 32400 rows 16881 cols
[2025-06-03 14:35:47] [INFO ] Computed 481 invariants in 590 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:36:23] [INFO ] Performed 609/16881 implicitness test of which 400 returned IMPLICIT in 30 seconds.
[2025-06-03 14:36:54] [INFO ] Performed 2007/16881 implicitness test of which 407 returned IMPLICIT in 60 seconds.
[2025-06-03 14:37:24] [INFO ] Performed 7836/16881 implicitness test of which 430 returned IMPLICIT in 90 seconds.
[2025-06-03 14:37:54] [INFO ] Performed 12660/16881 implicitness test of which 453 returned IMPLICIT in 121 seconds.
[2025-06-03 14:38:12] [INFO ] Implicit Places using invariants in 145495 ms returned [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 801, 1002, 1203, 1404, 1605, 1806, 2007, 2610, 2811, 3012, 3414, 3615, 3816, 4017, 4218, 4419, 4821, 5022, 5223, 5424, 5625, 5826, 6027, 6228, 6429, 6630, 6831, 7032, 7635, 7836, 8037, 8238, 8439, 8640, 8841, 9042, 9243, 9444, 9645, 9846, 10047, 10248, 10650, 10851, 11052, 11253, 11454, 11655, 11856, 12057, 12258, 12459, 12660, 13062, 13263, 13464, 13665, 13866, 14067, 14268, 14670, 14871, 15273, 15675, 16077, 16278, 16479]
Discarding 467 places :
Implicit Place search using SMT only with invariants took 145588 ms to find 467 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16414/16881 places, 32400/32400 transitions.
Applied a total of 0 rules in 93 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 145987 ms. Remains : 16414/16881 places, 32400/32400 transitions.
Support contains 45 out of 16414 places after structural reductions.
[2025-06-03 14:38:13] [INFO ] Flatten gal took : 855 ms
[2025-06-03 14:38:14] [INFO ] Flatten gal took : 606 ms
[2025-06-03 14:38:15] [INFO ] Input system was already deterministic with 32400 transitions.
Support contains 44 out of 16414 places (down from 45) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 34 to 33
RANDOM walk for 40000 steps (8 resets) in 4418 ms. (9 steps per ms) remains 12/33 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 9/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 5/5 properties
// Phase 1: matrix 32400 rows 16414 cols
[2025-06-03 14:38:25] [INFO ] Computed 14 invariants in 8254 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp17 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 16397/16403 variables, 3/9 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16403 variables, 16397/16406 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 16403/48814 variables, and 16406 constraints, problems are : Problem set: 1 solved, 4 unsolved in 5024 ms.
Refiners :[Domain max(s): 16403/16414 constraints, Positive P Invariants (semi-flows): 3/14 constraints, State Equation: 0/16414 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 16398/16402 variables, 2/6 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16402 variables, 16398/16404 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 16402/48814 variables, and 16404 constraints, problems are : Problem set: 1 solved, 4 unsolved in 5046 ms.
Refiners :[Domain max(s): 16402/16414 constraints, Positive P Invariants (semi-flows): 2/14 constraints, State Equation: 0/16414 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18601ms problems are : Problem set: 1 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 16414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Graph (trivial) has 27194 edges and 16414 vertex of which 13798 / 16414 are part of one of the 1 SCC in 40 ms
Free SCC test removed 13797 places
Drop transitions (Empty/Sink Transition effects.) removed 27194 transitions
Reduce isomorphic transitions removed 27194 transitions.
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t3201 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2598 transitions
Trivial Post-agglo rules discarded 2598 transitions
Performed 2598 trivial Post agglomeration. Transition count delta: 2598
Iterating post reduction 0 with 2600 rules applied. Total rules applied 2601 place count 2616 transition count 2606
Reduce places removed 2610 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2598 transitions
Reduce isomorphic transitions removed 2598 transitions.
Iterating post reduction 1 with 5208 rules applied. Total rules applied 7809 place count 6 transition count 8
Applied a total of 7809 rules in 264 ms. Remains 6 /16414 variables (removed 16408) and now considering 8/32400 (removed 32392) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 264 ms. Remains : 6/16414 places, 8/32400 transitions.
RANDOM walk for 86 steps (0 resets) in 5 ms. (14 steps per ms) remains 0/4 properties
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((!p0 U ((G(p2)&&p1) U G(p3))) U X(p4))))'
Support contains 8 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 234 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
[2025-06-03 14:38:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:38:47] [INFO ] Implicit Places using invariants in 10396 ms returned [1801, 2002, 2803, 4204, 6805, 10007, 12408, 14610, 15412, 16213]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 10412 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16404/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 146 ms. Remains 16404 /16404 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 10794 ms. Remains : 16404/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 754 ms :[(NOT p4), (NOT p4), (NOT p4), (NOT p4), (AND (NOT p3) (NOT p4)), (AND (NOT p2) p3 (NOT p4)), (AND (NOT p3) (NOT p4)), (AND (NOT p3) (NOT p4)), true, (NOT p2), (NOT p3), (NOT p3), (NOT p3)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-00
Entered a terminal (fully accepting) state of product in 441 steps with 0 reset in 28 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-00 finished in 11758 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 16414 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Graph (trivial) has 27198 edges and 16414 vertex of which 13800 / 16414 are part of one of the 1 SCC in 13 ms
Free SCC test removed 13799 places
Ensure Unique test removed 27197 transitions
Reduce isomorphic transitions removed 27197 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2600 transitions
Trivial Post-agglo rules discarded 2600 transitions
Performed 2600 trivial Post agglomeration. Transition count delta: 2600
Iterating post reduction 0 with 2600 rules applied. Total rules applied 2601 place count 2615 transition count 2603
Reduce places removed 2613 places and 0 transitions.
Ensure Unique test removed 2600 transitions
Reduce isomorphic transitions removed 2600 transitions.
Iterating post reduction 1 with 5213 rules applied. Total rules applied 7814 place count 2 transition count 3
Applied a total of 7814 rules in 168 ms. Remains 2 /16414 variables (removed 16412) and now considering 3/32400 (removed 32397) transitions.
// Phase 1: matrix 3 rows 2 cols
[2025-06-03 14:38:48] [INFO ] Computed 1 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:38:48] [INFO ] Implicit Places using invariants in 78 ms returned []
[2025-06-03 14:38:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:38:48] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:38:48] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-03 14:38:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1/2 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/4 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 5 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Domain max(s): 2/2 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1/2 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/4 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 22 ms.
Refiners :[Domain max(s): 2/2 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 66ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/16414 places, 3/32400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 448 ms. Remains : 2/16414 places, 3/32400 transitions.
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-01
Product exploration explored 100000 steps with 14238 reset in 143 ms.
Product exploration explored 100000 steps with 14281 reset in 76 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 154 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 189 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 54 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 3/3 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 3/3 (removed 0) transitions.
[2025-06-03 14:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:38:49] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-03 14:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:38:49] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:38:49] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-03 14:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1/2 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/4 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 5 constraints, problems are : Problem set: 0 solved, 1 unsolved in 21 ms.
Refiners :[Domain max(s): 2/2 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1/2 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/4 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 20 ms.
Refiners :[Domain max(s): 2/2 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 44ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 83 ms. Remains : 2/2 places, 3/3 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 165 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 202 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 57 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 54 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 14340 reset in 45 ms.
Product exploration explored 100000 steps with 14243 reset in 45 ms.
Built C files in :
/tmp/ltsmin5727898859671669609
[2025-06-03 14:38:50] [INFO ] Computing symmetric may disable matrix : 3 transitions.
[2025-06-03 14:38:50] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 14:38:50] [INFO ] Computing symmetric may enable matrix : 3 transitions.
[2025-06-03 14:38:50] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 14:38:50] [INFO ] Computing Do-Not-Accords matrix : 3 transitions.
[2025-06-03 14:38:50] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 14:38:50] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5727898859671669609
Running compilation step : cd /tmp/ltsmin5727898859671669609;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 171 ms.
Running link step : cd /tmp/ltsmin5727898859671669609;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin5727898859671669609;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased9428394719198059066.hoa' '--buchi-type=spotba'
LTSmin run took 125 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-01 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ServersAndClients-PT-200080-LTLFireability-01 finished in 2585 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X((G(p1)&&X(X(F(p2))))))))'
Support contains 5 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 59 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
// Phase 1: matrix 32400 rows 16414 cols
[2025-06-03 14:38:58] [INFO ] Computed 14 invariants in 7831 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:39:09] [INFO ] Implicit Places using invariants in 18878 ms returned [1801, 2002, 2803, 6805, 7006, 10007, 12408, 14009, 14610, 15412, 16213]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 18895 ms to find 11 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16403/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 57 ms. Remains 16403 /16403 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 19013 ms. Remains : 16403/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 259 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2), (NOT p2)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-02
Entered a terminal (fully accepting) state of product in 302 steps with 2 reset in 8 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-02 finished in 19368 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0)) U ((p0&&X(X(p0))&&(!p1 U (G(!p1)||(!p1&&((p2 U !p0) U (G((p2 U !p0))||(!p3&&(p2 U !p0))))))))||X(X(G(p0))))))'
Support contains 6 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 54 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
[2025-06-03 14:39:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:39:21] [INFO ] Implicit Places using invariants in 11421 ms returned [1801, 2002, 4204, 6805, 7006, 10007, 12408, 14009, 15011, 15412, 16213]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 11438 ms to find 11 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16403/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 52 ms. Remains 16403 /16403 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 11545 ms. Remains : 16403/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 872 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), false, false, false, (AND (NOT p0) p1), false, false, false, false, false, true, false, false, (AND (NOT p0) p1), p0, (AND p0 p1), p0, (AND p0 p1), (AND p0 p1)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-03
Entered a terminal (fully accepting) state of product in 71291 steps with 17831 reset in 3112 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-03 finished in 15618 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(p0))) U ((X(X(X(p0)))&&G(p1))||X(X(X(G(p0)))))))'
Support contains 2 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 54 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
[2025-06-03 14:39:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:39:38] [INFO ] Implicit Places using invariants in 12258 ms returned [1801, 2002, 2803, 4204, 6805, 7006, 10007, 12408, 14009, 14610, 15011, 15412, 16213]
Discarding 13 places :
Implicit Place search using SMT only with invariants took 12276 ms to find 13 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16401/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 52 ms. Remains 16401 /16401 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 12383 ms. Remains : 16401/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 334 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-05
Product exploration explored 100000 steps with 19973 reset in 3728 ms.
Product exploration explored 100000 steps with 20065 reset in 3746 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X (AND p1 p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT (AND (NOT p1) p0))), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (X (AND p1 p0))), (X (X (NOT (AND p1 p0)))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 8 factoid took 443 ms. Reduced automaton from 10 states, 23 edges and 2 AP (stutter sensitive) to 10 states, 23 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 323 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
RANDOM walk for 40000 steps (8 resets) in 2669 ms. (14 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 1/3 properties
// Phase 1: matrix 32400 rows 16401 cols
[2025-06-03 14:39:57] [INFO ] Computed 1 invariants in 8828 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 16399/16401 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16401 variables, 16399/16402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16401 variables, 0/16402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 14066ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 16401 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16401/16401 places, 32400/32400 transitions.
Graph (trivial) has 32396 edges and 16401 vertex of which 16399 / 16401 are part of one of the 1 SCC in 26 ms
Free SCC test removed 16398 places
Drop transitions (Empty/Sink Transition effects.) removed 32396 transitions
Reduce isomorphic transitions removed 32396 transitions.
Applied a total of 1 rules in 115 ms. Remains 3 /16401 variables (removed 16398) and now considering 4/32400 (removed 32396) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 3/16401 places, 4/32400 transitions.
RANDOM walk for 40000 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Probably explored full state space saw : 3 states, properties seen :0
Probabilistic random walk after 7 steps, saw 3 distinct states, run finished after 19 ms. (steps per millisecond=0 ) properties seen :0
Explored full state space saw : 3 states, properties seen :0
Exhaustive walk after 7 steps, saw 3 distinct states, run finished after 1 ms. (steps per millisecond=7 ) properties seen :0
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X (AND p1 p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT (AND (NOT p1) p0))), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (G (OR p0 p1))]
False Knowledge obtained : [(X (X (AND p1 p0))), (X (X (NOT (AND p1 p0)))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 680 ms. Reduced automaton from 10 states, 23 edges and 2 AP (stutter sensitive) to 10 states, 20 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 371 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 361 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 2 out of 16401 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16401/16401 places, 32400/32400 transitions.
Applied a total of 0 rules in 274 ms. Remains 16401 /16401 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
[2025-06-03 14:40:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:40:07] [INFO ] Implicit Places using invariants in 3313 ms returned []
Implicit Place search using SMT only with invariants took 3317 ms to find 0 implicit places.
Running 32200 sub problems to find dead transitions.
[2025-06-03 14:40:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16400 variables, 16400/16400 constraints. Problems are: Problem set: 0 solved, 32200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 16400/48801 variables, and 16400 constraints, problems are : Problem set: 0 solved, 32200 unsolved in 30651 ms.
Refiners :[Domain max(s): 16400/16401 constraints, Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/16401 constraints, PredecessorRefiner: 32200/32200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 32200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16400 variables, 16400/16400 constraints. Problems are: Problem set: 0 solved, 32200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 16400/48801 variables, and 16400 constraints, problems are : Problem set: 0 solved, 32200 unsolved in 30536 ms.
Refiners :[Domain max(s): 16400/16401 constraints, Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/16401 constraints, PredecessorRefiner: 0/32200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 170034ms problems are : Problem set: 0 solved, 32200 unsolved
Search for dead transitions found 0 dead transitions in 170186ms
Finished structural reductions in LTL mode , in 1 iterations and 173917 ms. Remains : 16401/16401 places, 32400/32400 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X p1), (X (AND p0 p1)), (X p0)]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 4 factoid took 250 ms. Reduced automaton from 10 states, 20 edges and 2 AP (stutter sensitive) to 10 states, 20 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 375 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (8 resets) in 1638 ms. (24 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 25020 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :0 out of 3
Probabilistic random walk after 25020 steps, saw 8543 distinct states, run finished after 3005 ms. (steps per millisecond=8 ) properties seen :0
[2025-06-03 14:43:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 16399/16401 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16401 variables, 16399/16402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16401 variables, 0/16402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SMT process timed out in 5107ms, After SMT, problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 16401 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16401/16401 places, 32400/32400 transitions.
Graph (trivial) has 32396 edges and 16401 vertex of which 16399 / 16401 are part of one of the 1 SCC in 8 ms
Free SCC test removed 16398 places
Drop transitions (Empty/Sink Transition effects.) removed 32396 transitions
Reduce isomorphic transitions removed 32396 transitions.
Applied a total of 1 rules in 42 ms. Remains 3 /16401 variables (removed 16398) and now considering 4/32400 (removed 32396) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 3/16401 places, 4/32400 transitions.
RANDOM walk for 14 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p1 p0), (X p1), (X (AND p0 p1)), (X p0)]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p0)), (X (X (NOT p0))), (F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT p0))]
Knowledge based reduction with 4 factoid took 383 ms. Reduced automaton from 10 states, 20 edges and 2 AP (stutter sensitive) to 10 states, 20 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 392 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 386 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 346 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Entered a terminal (fully accepting) state of product in 72712 steps with 9936 reset in 3109 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-05 finished in 226144 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 1 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 71 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
// Phase 1: matrix 32400 rows 16414 cols
[2025-06-03 14:43:19] [INFO ] Computed 14 invariants in 7069 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:43:31] [INFO ] Implicit Places using invariants in 19706 ms returned [1801, 2002, 2803, 4204, 6805, 7006, 10007, 12408, 14009, 14610, 15011, 15412, 16213]
Discarding 13 places :
Implicit Place search using SMT only with invariants took 19731 ms to find 13 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16401/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 56 ms. Remains 16401 /16401 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 19859 ms. Remains : 16401/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-06
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-06 finished in 20091 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 16414 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Graph (trivial) has 27200 edges and 16414 vertex of which 13801 / 16414 are part of one of the 1 SCC in 8 ms
Free SCC test removed 13800 places
Ensure Unique test removed 27199 transitions
Reduce isomorphic transitions removed 27199 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2599 transitions
Trivial Post-agglo rules discarded 2599 transitions
Performed 2599 trivial Post agglomeration. Transition count delta: 2599
Iterating post reduction 0 with 2599 rules applied. Total rules applied 2600 place count 2614 transition count 2602
Reduce places removed 2611 places and 0 transitions.
Ensure Unique test removed 2598 transitions
Reduce isomorphic transitions removed 2598 transitions.
Iterating post reduction 1 with 5209 rules applied. Total rules applied 7809 place count 3 transition count 4
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 7810 place count 3 transition count 3
Applied a total of 7810 rules in 139 ms. Remains 3 /16414 variables (removed 16411) and now considering 3/32400 (removed 32397) transitions.
// Phase 1: matrix 3 rows 3 cols
[2025-06-03 14:43:32] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:43:32] [INFO ] Implicit Places using invariants in 22 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/16414 places, 3/32400 transitions.
Applied a total of 0 rules in 0 ms. Remains 2 /2 variables (removed 0) and now considering 3/3 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 163 ms. Remains : 2/16414 places, 3/32400 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-07
Product exploration explored 100000 steps with 0 reset in 47 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 2 in 1 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-07 finished in 269 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(G(p1) U (p2&&X(G(!p3)))))))'
Support contains 6 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 51 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
// Phase 1: matrix 32400 rows 16414 cols
[2025-06-03 14:43:39] [INFO ] Computed 14 invariants in 7304 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:43:51] [INFO ] Implicit Places using invariants in 18702 ms returned [1801, 2002, 2803, 4204, 6805, 7006, 10007, 14009, 14610, 15011, 16213]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 18722 ms to find 11 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16403/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 57 ms. Remains 16403 /16403 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 18831 ms. Remains : 16403/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 269 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), true, (NOT p1), p3, (OR (NOT p2) p3), p3]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 5740 ms.
Product exploration explored 100000 steps with 50000 reset in 5792 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p2 (NOT p1) (NOT p3)), (X p2), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X p0), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p1) (NOT p3)))), (X (X (NOT (AND p1 p3)))), (X (X (NOT (AND (NOT p2) p1 p3)))), (X (X (NOT (AND p2 p1 p3)))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (NOT (AND (NOT p1) p3))))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 17 factoid took 22 ms. Reduced automaton from 7 states, 22 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-200080-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-200080-LTLFireability-08 finished in 30798 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 16414 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Graph (trivial) has 27132 edges and 16414 vertex of which 13732 / 16414 are part of one of the 1 SCC in 7 ms
Free SCC test removed 13731 places
Ensure Unique test removed 27063 transitions
Reduce isomorphic transitions removed 27063 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2388 transitions
Trivial Post-agglo rules discarded 2388 transitions
Performed 2388 trivial Post agglomeration. Transition count delta: 2388
Iterating post reduction 0 with 2388 rules applied. Total rules applied 2389 place count 2683 transition count 2949
Reduce places removed 2388 places and 0 transitions.
Ensure Unique test removed 2376 transitions
Reduce isomorphic transitions removed 2376 transitions.
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Iterating post reduction 1 with 4843 rules applied. Total rules applied 7232 place count 295 transition count 494
Reduce places removed 91 places and 0 transitions.
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 181 rules applied. Total rules applied 7413 place count 204 transition count 404
Discarding 198 places :
Symmetric choice reduction at 3 with 198 rule applications. Total rules 7611 place count 6 transition count 206
Iterating global reduction 3 with 198 rules applied. Total rules applied 7809 place count 6 transition count 206
Ensure Unique test removed 198 transitions
Reduce isomorphic transitions removed 198 transitions.
Iterating post reduction 3 with 198 rules applied. Total rules applied 8007 place count 6 transition count 8
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 8009 place count 5 transition count 7
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 8010 place count 4 transition count 6
Iterating global reduction 4 with 1 rules applied. Total rules applied 8011 place count 4 transition count 6
Applied a total of 8011 rules in 155 ms. Remains 4 /16414 variables (removed 16410) and now considering 6/32400 (removed 32394) transitions.
// Phase 1: matrix 6 rows 4 cols
[2025-06-03 14:44:03] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:44:03] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-03 14:44:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:44:03] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:44:03] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 14:44:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 5/9 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/9 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/10 variables, and 6 constraints, problems are : Problem set: 0 solved, 3 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 5/9 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/10 variables, and 9 constraints, problems are : Problem set: 0 solved, 3 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 122ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 122ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/16414 places, 6/32400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 353 ms. Remains : 4/16414 places, 6/32400 transitions.
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-09 finished in 409 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X((X(X(p0))||X(p1)))) U p2)))'
Support contains 5 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 57 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
// Phase 1: matrix 32400 rows 16414 cols
[2025-06-03 14:44:10] [INFO ] Computed 14 invariants in 6975 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:44:22] [INFO ] Implicit Places using invariants in 18550 ms returned [1801, 2002, 2803, 4204, 7006, 10007, 14009, 14610, 15011, 15412, 16213]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 18573 ms to find 11 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16403/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 59 ms. Remains 16403 /16403 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 18690 ms. Remains : 16403/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 279 ms :[(NOT p2), (NOT p2), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), true]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-11
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 2 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-11 finished in 19026 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1)||G((p2 U p3)))))'
Support contains 4 out of 16414 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Graph (trivial) has 27128 edges and 16414 vertex of which 13730 / 16414 are part of one of the 1 SCC in 7 ms
Free SCC test removed 13729 places
Ensure Unique test removed 27059 transitions
Reduce isomorphic transitions removed 27059 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2388 transitions
Trivial Post-agglo rules discarded 2388 transitions
Performed 2388 trivial Post agglomeration. Transition count delta: 2388
Iterating post reduction 0 with 2388 rules applied. Total rules applied 2389 place count 2685 transition count 2953
Reduce places removed 2388 places and 0 transitions.
Ensure Unique test removed 2376 transitions
Reduce isomorphic transitions removed 2376 transitions.
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Iterating post reduction 1 with 4843 rules applied. Total rules applied 7232 place count 297 transition count 498
Reduce places removed 91 places and 0 transitions.
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 181 rules applied. Total rules applied 7413 place count 206 transition count 408
Discarding 198 places :
Symmetric choice reduction at 3 with 198 rule applications. Total rules 7611 place count 8 transition count 210
Iterating global reduction 3 with 198 rules applied. Total rules applied 7809 place count 8 transition count 210
Ensure Unique test removed 198 transitions
Reduce isomorphic transitions removed 198 transitions.
Iterating post reduction 3 with 198 rules applied. Total rules applied 8007 place count 8 transition count 12
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 8009 place count 7 transition count 11
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 8010 place count 6 transition count 10
Iterating global reduction 4 with 1 rules applied. Total rules applied 8011 place count 6 transition count 10
Applied a total of 8011 rules in 156 ms. Remains 6 /16414 variables (removed 16408) and now considering 10/32400 (removed 32390) transitions.
// Phase 1: matrix 10 rows 6 cols
[2025-06-03 14:44:22] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:44:22] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 14:44:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:44:22] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:44:22] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 14:44:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/16 variables, and 8 constraints, problems are : Problem set: 0 solved, 5 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/16 variables, and 13 constraints, problems are : Problem set: 0 solved, 5 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 127ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 127ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/16414 places, 10/32400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 339 ms. Remains : 6/16414 places, 10/32400 transitions.
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-12
Product exploration explored 100000 steps with 0 reset in 222 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 3 in 0 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-12 finished in 656 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((!p0 U G(p1)) U G(p2))))'
Support contains 5 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 56 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
// Phase 1: matrix 32400 rows 16414 cols
[2025-06-03 14:44:30] [INFO ] Computed 14 invariants in 7035 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:44:41] [INFO ] Implicit Places using invariants in 18229 ms returned [2002, 2803, 4204, 6805, 7006, 10007, 12408, 14009, 14610, 15011, 15412]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 18245 ms to find 11 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16403/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 56 ms. Remains 16403 /16403 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 18358 ms. Remains : 16403/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 255 ms :[(NOT p2), (NOT p2), true, (NOT p1), (NOT p1), (NOT p2), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-13
Entered a terminal (fully accepting) state of product in 40434 steps with 0 reset in 890 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-13 finished in 19568 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 16414 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16414/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 54 ms. Remains 16414 /16414 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
[2025-06-03 14:44:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:44:55] [INFO ] Implicit Places using invariants in 12382 ms returned [1801, 2002, 2803, 4204, 6805, 7006, 10007, 12408, 14009, 14610, 15011, 15412, 16213]
Discarding 13 places :
Implicit Place search using SMT only with invariants took 12396 ms to find 13 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 16401/16414 places, 32400/32400 transitions.
Applied a total of 0 rules in 53 ms. Remains 16401 /16401 variables (removed 0) and now considering 32400/32400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 12505 ms. Remains : 16401/16414 places, 32400/32400 transitions.
Stuttering acceptance computed with spot in 77 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-200080-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ServersAndClients-PT-200080-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200080-LTLFireability-14 finished in 12636 ms.
All properties solved by simple procedures.
Total runtime 550482 ms.

BK_STOP 1748961895615

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ServersAndClients-PT-200080"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ServersAndClients-PT-200080, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r198-tall-174894532000052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ServersAndClients-PT-200080.tgz
mv ServersAndClients-PT-200080 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;